Provides superb protection from Geopathic Stress and Electromagnetic Fileds and increases Qi. It helps creates a positive and much healthier atmosphere in the house that can be felt strongly by most people.

Detect Electromagnetic Pollution The Tri-Field allows you to measure electrical, magnetic, radio and microwave signals and take steps to minimize your exposure to dangerous EMF levels.

Electro magnetism meter. Used by the Ghost Hunters Society for UFO and paranormal research.